diff --git a/app/Http/Controllers/ConclusionController.php b/app/Http/Controllers/ConclusionController.php
index 923cef2..2a94be9 100644
--- a/app/Http/Controllers/ConclusionController.php
+++ b/app/Http/Controllers/ConclusionController.php
@@ -99,15 +99,17 @@ class ConclusionController extends Controller
                         $pdf->useTemplate($tpl);
 
                         if ($i === 1) {
-                            // First page: top-right, inside the frame
-                            $qrX = $size2['width'] - $qrSize - 18;
+                            // First page: top-right, 30mm
+                            $sz = 30;
+                            $qrX = $size2['width'] - $sz - 18;
                             $qrY = 18;
                         } else {
-                            // Other pages: bottom-right, pushed to very bottom
-                            $qrX = $size2['width'] - $qrSize - 8;
-                            $qrY = $size2['height'] - $qrSize - 2;
+                            // Other pages: bottom-right, 22mm, very bottom
+                            $sz = 22;
+                            $qrX = $size2['width'] - $sz - 8;
+                            $qrY = $size2['height'] - $sz - 2;
                         }
-                        $pdf->Image($qrPath, $qrX, $qrY, $qrSize, $qrSize);
+                        $pdf->Image($qrPath, $qrX, $qrY, $sz, $sz);
                     }
 
                     // Append certificates from the database
@@ -123,12 +125,12 @@ class ConclusionController extends Controller
                                     $sizeCert = $pdf->getTemplateSize($tplCert);
                                     $pdf->AddPage($sizeCert['orientation'], [$sizeCert['width'], $sizeCert['height']]);
                                     $pdf->useTemplate($tplCert);
-                                    $pdf->Image($qrPath, $sizeCert['width'] - $qrSize - 8, $sizeCert['height'] - $qrSize - 2, $qrSize, $qrSize); // bottom-right
+                                    $pdf->Image($qrPath, $sizeCert['width'] - 22 - 8, $sizeCert['height'] - 22 - 2, 22, 22); // bottom-right
                                 }
                             } elseif (in_array($extCert, ['jpg', 'jpeg', 'png'])) {
                                 $pdf->AddPage('P', 'A4');
                                 $pdf->Image($certPath, 0, 0, 210, 297);
-                                $pdf->Image($qrPath, 210 - $qrSize - 8, 297 - $qrSize - 2, $qrSize, $qrSize); // bottom-right, inside frame
+                                $pdf->Image($qrPath, 210 - 22 - 8, 297 - 22 - 2, 22, 22); // bottom-right, inside frame
                             }
                         }
                     }